Hello! Thanks for a quick reply! So I should add -fPIC to cmake arguments? Why isn't it in MariaDB sources by default, what are the downsides? GCC manual said "This option makes a difference on the m68k, PowerPC and SPARC." -> I am running amd64 For background, in my Debian packaging the build command looks like this: sh -c 'PATH=${MYSQL_BUILD_PATH:-"/bin:/usr/bin"} \ CC=${MYSQL_BUILD_CC:-gcc} \ CFLAGS=${MYSQL_BUILD_CFLAGS:-"-O2 -DBIG_JOINS=1 -fno-strict-aliasing "} \ CXX=${MYSQL_BUILD_CXX:-g++} \ CXXFLAGS=${MYSQL_BUILD_CXXFLAGS:-"-O3 -DBIG_JOINS=1 -felide-constructors -fno-exceptions -fno-rtti -fno-strict-aliasing "} \ cmake -DCMAKE_INSTALL_PREFIX=/usr \ \ -DCOMPILATION_COMMENT="(Ubuntu)" \ -DMYSQL_SERVER_SUFFIX="-1" \ -DSYSTEM_TYPE="debian-linux-gnu" \ -DWITHOUT_TOKUDB=true \ -DBUILD_CONFIG=mysql_release \ -DINSTALL_LIBDIR=lib/x86_64-linux-gnu \ -DINSTALL_PLUGINDIR=lib/mysql/plugin \ -DINSTALL_SUPPORTFILESDIR=share/mysql \ -DDEB=1 ..' In upstream MariaDB the build command is: sh -c 'PATH=$${MYSQL_BUILD_PATH:-"/bin:/usr/bin:/usr/local/bin"} \ CC=$${MYSQL_BUILD_CC:-gcc} \ CFLAGS=$${MYSQL_BUILD_CFLAGS:-"-O2 -fno-omit-frame-pointer -g -pipe -Wall -Wno-uninitialized $$(case `lsb_release -sc` in (lenny) echo -DWORKAROUND_GCC_4_3_2_BUG ;; esac)"} \ CXX=$${MYSQL_BUILD_CXX:-g++} \ CXXFLAGS=$${MYSQL_BUILD_CXXFLAGS:-"-O2 -fno-omit-frame-pointer -g -pipe -Wall -Wno-uninitialized"} \ cmake .. \ -DMYSQL_SERVER_SUFFIX="-$(DEBVERSION)" \ -DBUILD_CONFIG=mysql_release \ -DCOMPILATION_COMMENT="mariadb.org binary distribution" \ -DSYSTEM_TYPE="debian-linux-gnu" \ -DDEB=debian' 2014-04-01 16:21 GMT+03:00 Peter W Bowey <support@pbcomp.com.au>:

You require -fPIC to compile. See the info you reported = "> object; recompile with -fPIC"

Info is here (via GCC manual):

-fPIC If supported for the target machine, emit position-independent code, suitable for dynamic linking and avoiding any limit on the size of the global offset table. This option makes a difference on the m68k, PowerPC and SPARC. Position-independent code requires special support, and therefore works only on certain machines.

When this flag is set, the macros __pic__ and __PIC__ are defined to 2.

In brief, the term position independent code (PIC) refers to the generated machine code which is memory address agnostic, i.e. does not make any assumptions about where it was loaded into RAM. Only position independent code is supposed to be included into shared objects (SO) as they should have an ability to dynamically change their location in RAM.

----- Original Message ----- From: "Otto Kekäläinen" <otto@seravo.fi> To: <maria-developers@lists.launchpad.net> Cc: "Roger Meier" <roger@bufferoverflow.ch>; "Jake Farrell" <jfarrell@apache.org> Sent: Tuesday, April 01, 2014 11:16 PM Subject: [Maria-developers] Cassandra plugin build error: _S_empty_rep_storage' can not be used when making a shared object; recompile with -fPIC

...

Hello!

I am testing out building MariaDB 10.0.10 on a Ubuntu 12.04 system with libthrift-dev installed (latest 0.9.0 from repo 'deb http://ppa.launchpad.net/wnoronha/thrift/ubuntu precise main').

Building fails with this error:

make[4]: Siirrytään hakemistoon "/home/otto/MariaDB/pkg-mariadb-10.0/mariadb-10.0/builddir" Scanning dependencies of target cassandra make[4]: Poistutaan hakemistosta "/home/otto/MariaDB/pkg-mariadb-10.0/mariadb-10.0/builddir" make[4]: Siirrytään hakemistoon "/home/otto/MariaDB/pkg-mariadb-10.0/mariadb-10.0/builddir" [ 75%] Building CXX object storage/cassandra/CMakeFiles/cassandra.dir/ha_cassandra.cc.o [ 75%] Building CXX object storage/cassandra/CMakeFiles/cassandra.dir/cassandra_se.cc.o [ 75%] Building CXX object storage/cassandra/CMakeFiles/cassandra.dir/gen-cpp/Cassandra.cpp.o [ 75%] Building CXX object storage/cassandra/CMakeFiles/cassandra.dir/gen-cpp/cassandra_types.cpp.o [ 75%] Building CXX object

storage/cassandra/CMakeFiles/cassandra.dir/gen-cpp/cassandra_constants.cpp.o Linking CXX shared module ha_cassandra.so /usr/bin/ld.bfd.real:

/usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../lib/libthrift.a(TApplicationException.o): relocation R_X86_64_32S against `std::basic_string<char, std::char_traits<char>, std::allocator<char>

...

::_Rep::_S_empty_rep_storage' can not be used when making a shared

object; recompile with -fPIC /usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../lib/libthrift.a: could not read symbols: Bad value collect2: ld:n paluuarvo oli 1 make[4]: *** [storage/cassandra/ha_cassandra.so] Virhe 1

Ideas?

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